Effect of Different Level of Potassium and Sulfur Fertilizers on Growth and Yield of Onion (Allium cepa L.)
Md. Mahmudul Hasan Manik
Department of Agricultural Chemistry, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.
Md. Abdur Razzaque
Department of Agricultural Chemistry, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.
Md. Imdadul Haque
Department of Agriculture Extension and Information System, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.
Md Ruhul Kuddus Joha
Department of Genetics and plant Breeding, Hajee Mohammad Danesh Science and Technology University Dinajpur -5200, Bangladesh.
Khalid Syfullah
*
Department of Genetics and Plant Breeding, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.
Aliya Adiba Khanam
Department of Genetics and Plant Breeding, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.
Md. Selim Reza
Scientific Officer, Bangladsh Institute of Nuclear Agriculture, Bangladesh.
Samia Nur Afrose
Department of Horticulture, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.
*Author to whom correspondence should be addressed.
Abstract
An experiment was undertaken at Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during October, 2020 to June 2021 to observe the influence of different levels (100, 120, 140 and 160 kg K/ha) of potash and sulfur (5, 15, 25, and 35 kg S/ha) on growth, yield of BARI Piaz-6 in Randomized Complete Block Design having two factors with three replications. There is significant difference was observed in the leaf number, leaf length, bulb diameter, bulb height, individual bulb weight, bulb yield due to different doses of S. In case the effect of different doses of potassium showed significant variation in the above all parameters, where the highest and lowest results were obtained at 140 and 100 kg/ha potassium doses. The interaction effects of different doses of S and K significantly influenced on all growth and yield data. The highest plant height, leaf number, leaf length, bulb diameter, bulb height, individual bulb weight, bulb yield was observed at 140 kg/ha potassium with 35 kg/ha dose of sulfur and the lowest values of these parameter were found at the lowest doses of S (5 kg S/ha) and K (100 kg K/ha) combination.
Keywords: Potassium, sulfur, leaf, bulb, yield, Onion
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References
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